<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Vue的第一个入门案例</title>


</head>
<body>

    <div id="app">
        {{msg}}  {{username}}
    </div>
    <script scr="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <script>

       const app = new Vue({
       el:"#app",
       data:{
            msg:“易丹婷欢迎你，“}，
            username:"hello ydt",}
            });

       </script>
</body>
</html>